Cognizant SOA Developer Interview Questions and Answers

A proxy service is an intermediary service that sits between a client and a target service, forwarding requests and responses.

• Proxy service acts as a middleman between client and target service

• It intercepts client requests and forwards them to the target service

• It also intercepts target service responses and sends them back to the client

• Proxy services can perform various tasks like security, caching, load balancing, et...read more

A business service is a logical representation of a repeatable business activity that has a specified outcome.

• Business services are designed to be reusable and can be composed to create larger business processes.

• They encapsulate the logic and functionality required to perform a specific business task.

• Examples of business services include customer registration, order processing, and payment processing.

Message flow refers to the sequence of steps or actions that a message goes through in a system.

• Message flow describes the path that a message takes from its source to its destination.

• It includes the processing and transformation of the message at various stages.

• Message flow can involve multiple components, such as message queues, routers, and adapters.

• Each step in the message flow may perform different operations on t...read more

Yes, direct bindings can be used to call SOA composites.

• Direct bindings provide a way to invoke SOA composites without using a mediator service.

• Direct bindings allow for direct communication between the client and the composite.

• Direct bindings are useful when there is no need for additional processing or transformation of data.

• Direct bindings can be used for synchronous as well as asynchronous communication.

• Direct bind...read more

The file will be moved to an error folder or directory.

• If there is an error while polling the file, it will be moved to an error folder or directory.

• This error folder or directory is typically specified in the configuration or settings of the polling mechanism.

• Moving the file to an error folder helps in identifying and handling the error separately from the successfully polled files.

• The error folder may also contain lo...read more

To call Java code from OSB, you can use Java Callout or Java Embedding activity.

• Java Callout activity allows you to invoke Java code from OSB proxy services.

• Java Embedding activity enables you to write Java code directly within the OSB pipeline.

• You can use Java classes, methods, and libraries in your code to perform desired operations.

• Passing input parameters and receiving output from Java code can be done using variab...read more